简算（要过程）694+126-294 9.43-4 - 知识问答

简算（要过程）694+126-294 9.43-4.75+0.57 65×10.1 0.48×99+4.8×0.1

3个回答

694+126-294
＝694-294+126
＝400+126
＝526
9.43-4.75+0.57
＝9.43+0.57-4.75
＝10-4.75
＝5.25
65×10.1
＝65x10+65x0.1
=650+6.5
=656.5
0.48×99+4.8×0.1
=0.48x(99+1)
=0.48x100
=48

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